The COMP Cams B455 252H-10 High Energy hydraulic flat tappet cam is a bolt-in upgrade for Buick 400, 430 and 455 engines, offering improved torque and mileage with a smooth idle. Intended as a performance step above stock camshafts, it delivers better midrange response while remaining suitable for street use and everyday driving when matched to compatible valvetrain and tuning.
COMP Cams Camshaft B455 252H-10